Can you tell me how to delete the partition table. b'cos i inserted this tables new in my development by running the scripts. So i have no idea about which are the tables have the partition in which tablespaces.

A tablespace cannot be droped if tablepartitions exist in other tablespaces .
Work around is
Drop the table ,then drop the tablespace
or
For each table,drop the partition exist in other tablespace;Then drop desired tablespace.
or
Move the table partitions exist in other tabelspace to the one you want to drop;then drop the tablespace.